JPH03120159U - - Google Patents
Info
- Publication number
- JPH03120159U JPH03120159U JP10777289U JP10777289U JPH03120159U JP H03120159 U JPH03120159 U JP H03120159U JP 10777289 U JP10777289 U JP 10777289U JP 10777289 U JP10777289 U JP 10777289U JP H03120159 U JPH03120159 U JP H03120159U
- Authority
- JP
- Japan
- Prior art keywords
- line
- loudspeaker
- detection means
- wired telephone
- bell sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 6
- 230000000415 inactivating effect Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10777289U JPH03120159U (US20100056889A1-20100304-C00004.png) | 1989-09-14 | 1989-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10777289U JPH03120159U (US20100056889A1-20100304-C00004.png) | 1989-09-14 | 1989-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120159U true JPH03120159U (US20100056889A1-20100304-C00004.png) | 1991-12-10 |
Family
ID=31656449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10777289U Pending JPH03120159U (US20100056889A1-20100304-C00004.png) | 1989-09-14 | 1989-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120159U (US20100056889A1-20100304-C00004.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121019A (ja) * | 1992-10-08 | 1994-04-28 | Toa Corp | 拡声電話機 |
| JP2018520270A (ja) * | 2015-04-27 | 2018-07-26 | マシーネンファブリク リーター アクチェンゲゼルシャフトＭａｓｃｈｉｎｅｎｆａｂｒｉｋ Ｒｉｅｔｅｒ ＡＧ | 繊維機械の作業ユニットを操作する方法ならびに操作装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937758A (ja) * | 1982-08-26 | 1984-03-01 | Hitoshi Ito | 増幅回路 |
| JPS60233968A (ja) * | 1984-05-04 | 1985-11-20 | Nec Corp | 拡声呼出し電話機 |
| JPS61184957A (ja) * | 1985-02-12 | 1986-08-18 | Oki Electric Ind Co Ltd | 着信不応答回路 |
| JPS6140061B2 (US20100056889A1-20100304-C00004.png) * | 1980-02-13 | 1986-09-06 | Mitsubishi Genshiryoku Kogyo Kk |
-
1989
- 1989-09-14 JP JP10777289U patent/JPH03120159U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6140061B2 (US20100056889A1-20100304-C00004.png) * | 1980-02-13 | 1986-09-06 | Mitsubishi Genshiryoku Kogyo Kk | |
| JPS5937758A (ja) * | 1982-08-26 | 1984-03-01 | Hitoshi Ito | 増幅回路 |
| JPS60233968A (ja) * | 1984-05-04 | 1985-11-20 | Nec Corp | 拡声呼出し電話機 |
| JPS61184957A (ja) * | 1985-02-12 | 1986-08-18 | Oki Electric Ind Co Ltd | 着信不応答回路 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121019A (ja) * | 1992-10-08 | 1994-04-28 | Toa Corp | 拡声電話機 |
| JP2018520270A (ja) * | 2015-04-27 | 2018-07-26 | マシーネンファブリク リーター アクチェンゲゼルシャフトＭａｓｃｈｉｎｅｎｆａｂｒｉｋ Ｒｉｅｔｅｒ ＡＧ | 繊維機械の作業ユニットを操作する方法ならびに操作装置 |
